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|---|---|---|
 0001060349-19-000013-index-headers.html | 2019-05-07 17:00:58 | |
| 0001060349-19-000013-index.html | 2019-05-07 17:00:58 | |
| 0001060349-19-000013.txt | 2019-05-07 17:00:58 | |
 0001060349-19-000013-xbrl.zip | 153256 | 2019-05-07 17:00:58 |
| ex31_1033119.htm | 18203 | 2019-05-07 17:00:58 |
| ex31_2033119.htm | 18034 | 2019-05-07 17:00:58 |
| ex31_3033119.htm | 18573 | 2019-05-07 17:00:58 |
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| ex32_2033119.htm | 8464 | 2019-05-07 17:00:58 |
| FilingSummary.xml | 24631 | 2019-05-07 17:00:58 |
| Financial_Report.xlsx | 51265 | 2019-05-07 17:00:58 |
| form10q0319.htm | 1355227 | 2019-05-07 17:00:58 |
| gbl-20190331.xml | 832026 | 2019-05-07 17:00:58 |
| gbl-20190331.xsd | 52906 | 2019-05-07 17:00:58 |
| gbl-20190331_cal.xml | 56909 | 2019-05-07 17:00:58 |
| gbl-20190331_def.xml | 382496 | 2019-05-07 17:00:58 |
| gbl-20190331_lab.xml | 752971 | 2019-05-07 17:00:58 |
| gbl-20190331_pre.xml | 447060 | 2019-05-07 17:00:58 |
| R1.htm | 29634 | 2019-05-07 17:00:58 |
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| R9.htm | 11109 | 2019-05-07 17:00:58 |
| report.css | 2767 | 2019-05-07 17:00:58 |
| Show.js | 1085 | 2019-05-07 17:00:58 |